Cap Table Basics for UK Founders: How to Match the Register of Members and Companies House
Learn how UK founders can keep their cap table, register of members, and Companies House filings aligned. Avoid common mistakes, legal risks, and investor delays with this practical guide.
How to Keep Your Cap Table and Legal Records Aligned
For many UK founders, the cap table begins as a simple spreadsheet and evolves into a critical legal record that underpins ownership, investment, and control. As your company grows, so does the complexity of your shareholdings. At that point, informal tracking is no longer enough.
A common and often overlooked issue is misalignment between three key records:
- Your internal cap table
- Your statutory register of members
- Your filings at Companies House
When these do not match, the consequences can be more serious than many founders expect. This article explains how these records interact, why discrepancies arise, and what to do to ensure everything stays aligned.
What is a Cap Table and Why Does it Matter?
Understanding the cap table
A cap table, or capitalisation table, is a record of who owns shares in your company. It typically includes:
- Shareholders’ names
- Number and class of shares held
- Percentage ownership
- Details of share issuances, transfers, and options
While it is not a statutory document under UK law, it is often the most accessible and frequently used record for founders, investors, and advisers.
The cap table becomes particularly important when:
- Raising investment
- Issuing new shares or options
- Preparing for a sale or exit
- Managing dilution
Despite its importance, the cap table has no legal standing on its own. That role is reserved for the company’s statutory registers.
The Register of Members: The Legal Source of Truth
Why the register of members takes priority
Under the Companies Act 2006, every UK company must maintain a register of members. This is the primary legal record of share ownership and is treated as prima facie evidence of title, although it can be challenged and rectified by a court if incorrect.
If there is a dispute about who owns shares, it is the register of members, not the cap table or Companies House filings, that carries legal weight.
The register must include:
- Names and addresses of shareholders
- Date they became members
- Number and class of shares held
- Amount paid or unpaid on those shares
Failure to maintain an accurate register is a breach of statutory duty and can create uncertainty around ownership rights, including voting and dividends.
What Does Companies House Record?
Public filings and their limitations
Companies House holds a public record of certain share-related information, but it does not maintain a real-time ownership register.
Typical filings include:
- Confirmation statements
- Allotments of shares (Form SH01)
- Other filings reflecting changes to share capital (such as updates reported through the confirmation statement or specific capital event forms).
These filings provide a snapshot of the company’s share structure at specific points in time. However, they do not always reflect the current position, particularly if filings are delayed or incomplete.
This creates a common misconception: founders often assume that Companies House reflects the definitive ownership structure. It does not.
Why These Records Fall Out of Sync
Common causes of discrepancies
Misalignment between the cap table, register of members, and Companies House is surprisingly common, particularly in early-stage companies.
- Unrecorded share transfers
Founders sometimes agree transfers informally but fail to update the register of members. Even if money has changed hands, legal title to the shares does not pass until the transfer is registered in the register of members (although an equitable interest may arise earlier once a valid transfer is executed). - Delayed or missed filings
Share allotments may be correctly recorded internally but not filed at Companies House within the required timeframe. This creates a mismatch between internal and public records. - Spreadsheet errors in the cap table
Manual tracking can lead to formula errors, outdated versions, or incorrect assumptions about dilution. - Incorrect share class treatment
Different rights attached to share classes may not be accurately reflected across all records, especially after investment rounds. - Historic issues carried forward
Early-stage shortcuts often persist and compound over time, particularly where legal advice was not taken at the outset.
Each of these issues can seem minor in isolation, but together they can create significant legal and commercial risk.
The Risks of Getting It Wrong
Why discrepancies matter more than founders expect
Misalignment is not just an administrative issue. It can directly affect ownership, control, and the ability to complete transactions.
- Investment delays or failure
Investors will conduct due diligence and expect all records to align. Any inconsistency can delay funding or lead to renegotiation of terms. - Disputes over ownership
If the register of members does not reflect what founders believe to be agreed, disputes can arise. This is particularly common where early contributions were informal or undocumented. - Invalid or ineffective share transfers
A transfer that is not properly recorded may not confer legal title or shareholder rights against the company, even if it is otherwise effective in equity between the parties. - Regulatory non-compliance
Failure to maintain statutory registers or file required forms can result in penalties and reputational damage. - Complications during an exit
Buyers expect clean and consistent records. Any discrepancy can reduce confidence and, in some cases, impact valuation.
In practice, these issues tend to surface at the worst possible time, often during a funding round or sale when there is pressure to move quickly.
How to Keep Everything Aligned
Practical steps for founders
Keeping your records consistent requires a combination of good process and timely legal input.
- Maintain the register of members as the primary record
Treat this as the authoritative source of truth. Every share issuance or transfer should be reflected here promptly and accurately. - Update the cap table alongside legal changes
The cap table should mirror the register of members at all times. It is a useful working document, but it must be kept in sync with the legal position. - File with Companies House on time
Share allotments must typically be filed within one month. Missing deadlines can create discrepancies and compliance issues. - Document all share transactions properly
This includes board resolutions, shareholder approvals where required, and properly executed stock transfer forms. - Conduct periodic reviews
As your company grows, regular checks can identify and resolve discrepancies before they become problematic.
These steps are straightforward in principle, but in practice they are often missed during busy growth phases.
When to Seek Legal Advice
Recognising when the issue needs professional input
There are certain points in a company’s lifecycle where it is particularly important to ensure alignment:
- Before raising investment
Investors will expect a clean cap table and consistent records. Addressing issues early avoids delays and protects credibility. - Before issuing new shares or options
Any existing discrepancies can affect dilution calculations and the validity of new issuances. - Before a sale or exit
Buyers will scrutinise ownership records in detail. Resolving inconsistencies at this stage can be time-consuming and costly. - If a discrepancy has already been identified
Rectifying errors may involve correcting filings, updating statutory registers, and potentially obtaining shareholder approvals.
Legal advice at these stages is not just about compliance, it is about protecting value and avoiding unnecessary risk.
Correcting Discrepancies: What Does It Involve?
Fixing the problem properly
If your records do not align, the solution depends on the nature and extent of the issue.
- Updating the register of members
This may involve reconstructing historic transactions and ensuring all entries are accurate and complete. - Making corrective filings at Companies House
In some cases, late filings or amended filings may be required to reflect the correct position. - Regularising share issuances or transfers
Where documentation is missing or incomplete, it may be necessary to formally ratify past actions. - Addressing potential disputes
If there is disagreement over ownership, resolution may require negotiation or, in more complex cases, legal proceedings.
The key is to approach correction carefully. Quick fixes or assumptions can make the problem worse rather than better.
A Common Misconception: “It’s Just Admin”
Why founders underestimate the issue
Many founders view cap table management as an administrative task that can be tidied up later. This is a risky assumption.
In reality, share ownership is at the core of your company’s legal structure. Errors in this area can affect:
- Control of the business
- Financial entitlements
- Investor confidence
- Exit outcomes
What looks like a minor inconsistency in a spreadsheet can translate into a significant legal issue when scrutinised by investors or buyers.
How JLN Can Help
Practical, proactive support for founders
At JLN, we regularly advise founders and growth companies on share capital and ownership structures. We understand that these issues often arise from rapid growth rather than deliberate oversight.
We can assist with:
- Reviewing and reconciling your cap table, register of members, and Companies House filings
- Identifying and resolving discrepancies before they become problematic
- Preparing and implementing share issuances and transfers correctly
- Supporting you through investment rounds and exits with clean, reliable records
Our approach is practical and commercially focused. We aim to resolve issues efficiently while protecting your position and maintaining investor confidence.
Speak to JLN Early
Misalignment between your cap table, register of members, and Companies House is common, but it is not something to ignore. The earlier it is addressed, the easier and more cost-effective it is to fix.
If you are preparing for investment, planning a transaction, or simply want reassurance that your records are accurate, JLN can help you get everything in order.
Getting this right is not just about compliance. It is about ensuring your ownership structure is clear, defensible, and ready to support your next stage of growth.
Contact Us
We provide enquiries with an indicative scope of work and fee estimate, based on the information you share. We aim to respond within one working day.
In the same email, you will be invited to arrange a 20-minute complimentary, no-obligation video consultation, should the proposed scope of work and fee estimate be of interest. This initial discussion is designed to better understand your requirements, refine the scope, and ensure our approach is fully aligned with your objectives.
Where you would prefer to receive initial advice and guidance from the outset, we may instead recommend a fixed-fee consultation (from £250 + VAT) as a more appropriate starting point. This enables us to provide considered, tailored advice at an early stage.
To make an enquiry, please email us at wewillhelp@jonathanlea.net, complete our contact form, or call us on 01444 708640.
VAT is charged at 20%.
This article is intended for general information only, applies to the law at the time of publication, is not specific to the facts of your case and is not intended to be a replacement for legal advice. You should obtain specific professional advice before relying on any of the information given. © Jonathan Lea Limited.